goplus/gop v1.0.30

Release v1.0.30

on GitHub

• gop/env
  
• gop/x/mod
  
• gop/x/gopmod (in beta stage)
  
• add gop env command
  
• support gop.mod (in beta stage)
  
• gop run <file> don't need add goplus standard packages into gop.mod
  
• add all.bat for windows installation
  

changes:

• cl: class file check filed spec type and value
  
• fix some testcases in windows
  
• fix github workflow
  
• fix gopstmt test case (gop/x/mod/modfile)